Question

What are the x-intercepts of the parabola with equation y=9x−5x^2?

Answer 1

`x=0,x=9/5`

Explanation:

`"to find the x-intercepts solve y = 0"`

`rArr9x-5x^2=0`

`rArrx(9-5x)=0larr"factored form"`

`"equate each factor to zero and solve for x"`

`rArrx=0`

`9-5x=0rArrx=9/5`

`rArrx=0,x=9/5" are the x-intercepts"`
graph{9x-5x^2 [-10, 10, -5, 5]}